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Concussion: Signs and Symptoms

What are signs and symptoms of a concussion?

Most young people will recover completely from a single concussion within two weeks. But, some people can take longer to recover than others.

Common symptoms seen after a concussion are listed below. You should watch out for these problems and talk with your child’s doctor about any changes that you notice in these areas:

Physical
  • Headaches
  • Sick to stomach or vomiting
  • Dizziness or balance problems
  • Low energy or being run down
  • Trouble with vision/seeing
  • Bothered by light or noise
  • Sleeping problems
Thinking (cognitive)
  • Slowed thinking
  • Trouble paying attention
  • Difficulty remembering
  • Acting like "in a fog"
  • Easily confused
  • School performance worsens
Behavioral or emotional
  • Irritability or grouchiness
  • Easily upset or frustrated
  • Nervousness
  • Sadness
  • Acting without thinking
  • Any other personality change
Reasons to consider seeing a concussion specialist include:
  • Any of the above problems last more than two weeks
  • Any problem seems especially severe
  • Your child has had more than one concussion
  • Your child has been diagnosed with a more serious brain injury (e.g., an injury associated with problems found on a CT or MRI scan)

Next: Tests and Diagnosis

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